Used Electro-Harmonix Deluxe Big Muff Pi Distortion / Sustainer Pedal $105.00 Quantity Used Electro-Harmonix Deluxe Big Muff Pi Distortion / Sustainer Pedal quantity Add to cart Description Check out our listing on Reverb! Add to Wishlist Categories: Effects, Effects/Pedals/Synths - Used. Tags: Deluxe Big Muff Pi, EHX, Electro-Harmonix. Related Products Ibanez Bi-Mode Chorus BCL $125.00 MJM Guitar FX Phantom Overdrive $110.00 J. Rockett Melody EQ/Overdrive $160.00